The PhoneMax Improves Speech Understanding: By boosting the high frequencies that make speech understandable, the PhoneMax gives you special help in communicating over the phone. The PhoneMax�s extra loud ringer and flashing ring indicator alert you to incoming calls, while flash and redial buttons make dialing outgoing calls convenient. The clean white design and high-contrast controls make it an attractive addition to your desktop or wall. Exceptional value, exceptional price!
Optional Accessories include: TEL 008 - RINGMAX Amplified Ringer
Manual Specifications